Add the remaining Get to Know stories with sourced images

Complete the two country sections with the place, food, culture, and
heritage stories, so every hub card now leads to a full article instead
of a pending page.

Articles (EN/SI/MK each):
- Slovenia: Lake Bled Beyond the Famous View, A First Taste of Slovenian
  Food, Slovenian Habits That May Surprise You, and Slovenia's Stories in
  Stone and Tradition.
- Macedonia: Ohrid, More Than a Postcard, plus the earlier Skopje and
  Ljubljana stories that were still untracked.
- Table, Music and Dance, and History articles for Macedonia are in place
  and still use image placeholders until their photos are sourced.

Images:
- Real, sourced photos wired into every finished article, each with an
  attribution caption (place, photographer where known, source link).
  Images are center-cropped to a uniform 3:2 and downscaled; webp and
  jfif sources converted to jpg.
- Each article's hero image is reused on its hub card.
- Welcome to Macedonia now opens with Macedonia Square in Skopje; the
  Church of St. John at Kaneo photo moves to the Ohrid story.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

en/get-to-know-slovenia/index.html

@@ -216,10 +216,7 @@
                     <!-- Story: Ljubljana Through Our Eyes -->
                     <article class="post-card" data-category="places">
                         <a href="ljubljana-through-our-eyes/" class="post-link">
-                            <div class="post-image post-image-placeholder">
-                                <i class="fas fa-image" aria-hidden="true"></i>
-                                <span>Image to be added</span>
-                            </div>
+                            <img src="../../images/slovenia-ljubljana-river-life-hero.jpg" alt="A crowd gathered along the Ljubljanica during an event in central Ljubljana" class="post-image">
                             <div class="post-content">
                                 <p class="post-meta">MSOS Team • Places &amp; Nature</p>
                                 <h3 class="post-title">Ljubljana Through Our Eyes</h3>
@@ -230,10 +227,7 @@
                     <!-- Story: Lake Bled Beyond the Famous View -->
                     <article class="post-card" data-category="places">
                         <a href="lake-bled-beyond-the-famous-view/" class="post-link">
-                            <div class="post-image post-image-placeholder">
-                                <i class="fas fa-image" aria-hidden="true"></i>
-                                <span>Image to be added</span>
-                            </div>
+                            <img src="../../images/slovenia-bled-lakeside-walk-hero.jpg" alt="A walking path beside Lake Bled with the island and mountains in view" class="post-image">
                             <div class="post-content">
                                 <p class="post-meta">MSOS Team • Places &amp; Nature</p>
                                 <h3 class="post-title">Lake Bled Beyond the Famous View</h3>
@@ -244,10 +238,7 @@
                     <!-- Story: A First Taste of Slovenian Food -->
                     <article class="post-card" data-category="food">
                         <a href="a-first-taste-of-slovenian-food/" class="post-link">
-                            <div class="post-image post-image-placeholder">
-                                <i class="fas fa-image" aria-hidden="true"></i>
-                                <span>Image to be added</span>
-                            </div>
+                            <img src="../../images/slovenia-food-regional-table-hero.jpg" alt="Several regional Slovenian dishes served together on a table" class="post-image">
                             <div class="post-content">
                                 <p class="post-meta">MSOS Team • Food &amp; Flavours</p>
                                 <h3 class="post-title">A First Taste of Slovenian Food</h3>
@@ -258,10 +249,7 @@
                     <!-- Story: Slovenian Habits That May Surprise You -->
                     <article class="post-card" data-category="culture">
                         <a href="slovenian-habits-that-may-surprise-you/" class="post-link">
-                            <div class="post-image post-image-placeholder">
-                                <i class="fas fa-image" aria-hidden="true"></i>
-                                <span>Image to be added</span>
-                            </div>
+                            <img src="../../images/slovenia-habits-guest-slippers-hero.jpg" alt="A pair of slippers by the entrance of a Slovenian home" class="post-image">
                             <div class="post-content">
                                 <p class="post-meta">MSOS Team • Culture &amp; Traditions</p>
                                 <h3 class="post-title">Slovenian Habits That May Surprise You</h3>
@@ -272,10 +260,7 @@
                     <!-- Story: Slovenia's Stories in Stone and Tradition -->
                     <article class="post-card" data-category="heritage">
                         <a href="slovenias-stories-in-stone-and-tradition/" class="post-link">
-                            <div class="post-image post-image-placeholder">
-                                <i class="fas fa-image" aria-hidden="true"></i>
-                                <span>Image to be added</span>
-                            </div>
+                            <img src="../../images/slovenia-heritage-plecnik-daily-life-hero.jpg" alt="A Plečnik-designed public space beside the Ljubljanica" class="post-image">
                             <div class="post-content">
                                 <p class="post-meta">MSOS Team • History &amp; Heritage</p>
                                 <h3 class="post-title">Slovenia's Stories in Stone and Tradition</h3>