chore: normalize line endings + remove old reservation-platform

.gitattributes

@@ -1 +1,40 @@
-packages/reservation-platform/docker/images/*.tar.xz filter=lfs diff=lfs merge=lfs -text
+frontend/docker/images/*.tar.xz filter=lfs diff=lfs merge=lfs -text
+# Shell-Skripte: immer LF
+*.sh text eol=lf
+
+# Windows-Batch-Dateien: immer CRLF
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+# Python, JS, HTML etc.: bevorzugt LF (aber nicht erzwungen)
+*.py text eol=lf
+*.js text eol=lf
+*.ts text eol=lf
+*.html text eol=lf
+*.css text eol=lf
+*.json text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf
+*.md text eol=lf
+
+# Konfigurationsdateien
+*.env text eol=lf
+*.conf text eol=lf
+*.ini text eol=lf
+
+# Binärdateien
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.webp binary
+*.pdf binary
+*.ico binary
+*.ttf binary
+*.woff binary
+*.zip binary
+*.tar binary
+*.gz binary
+*.7z binary
+*.exe binary
+*.dll binary