refactor: remove training property description, add svgIconURL, drop old migration and create new

- since app was not deployed yet, i deleted the migration to keep them clean

content/training/terraform.md

@@ -2,14 +2,44 @@
 id: s448cmvx05lra5mjyu35fdtd # generated via /scripts/cuid.mjs
 name: Terraform
 slug: terraform
-description: TODO
 days: 1
 weight: 1
 draft: false
 logoURL: https://example.com/logo.png
+svgIconURL: https://example.com/icon.svg
 repositoryURL: https://github.com/vojtechmares/terraform-training
 priceOpen: 5900
 priceCorporate: 24000
 ---
 
-TODO
+# TODO
+
+TEST ME
+
+# DOES IT WORK?
+
+LOOKS LIKE IT DOES!
+
+# LETS CHECK OUT LISTS
+
+- A
+- B
+
+# AND WHAT ABOUT OTHER STUFF?
+
+- **STRONG**
+- *ITALIC*
+- [Link](https://google.com/)
+
+## NESTED
+
+### HEADINGS
+
+OK WORK
+
+> blockquote
+
+```yaml
+code:
+  block: true
+```