pack: initialise pack with base mods

These generally do not affect gameplay and the rest of the pack are
built upon this baseline.

mods/fabric-language-kotlin.pw.toml

@@ -0,0 +1,13 @@
+filename = 'fabric-language-kotlin-1.13.7+kotlin.2.2.21.jar'
+name = 'Fabric Language Kotlin'
+side = 'both'
+
+[download]
+hash = '0453a8a4eb8d791b5f0097a6628fae6f13b6dfba1e2bd1f91218769123808c4396a88bcdfc785f1d6bca348f267b32afc2aa9e0d5ec93a7b35bcfe295268c7bc'
+hash-format = 'sha512'
+mode = 'url'
+url = 'https://cdn.modrinth.com/data/Ha28R6CL/versions/LcgnDDmT/fabric-language-kotlin-1.13.7%2Bkotlin.2.2.21.jar'
+
+[update.modrinth]
+mod-id = 'Ha28R6CL'
+version = 'LcgnDDmT'