feat: new setup using fewer plugins, more reliant on snacks, better completions (#1)

Massively reworked the plugin setup, switched to a simpler completions setup using blink.cmp

Reviewed-on: #1

nvim/lua/plugins/snacks/modules/picker.lua

@@ -0,0 +1,5 @@
+return {
+    sources = {
+        explorer = {}
+    }
+}