chore(neovim): touch-ups

- Move ollama plugin out of user.lua, as that file has basically just UI
configuration
- Remove zen astrocommunity configuration and enable snacks.nvim's zen
- Remove unused community plugins
- Configure catppuccin/nvim's integrations, adding snacks.nvim and
blink.cmp while removing notify, telescope and nvim-cmp

modules/neovim/lua/plugins/ollama-nvim.lua

@@ -0,0 +1,33 @@
+--- @type LazySpec
+return {
+  "nomnivore/ollama.nvim",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+  },
+
+  -- All the user commands added by the plugin
+  cmd = { "Ollama", "OllamaModel", "OllamaServe", "OllamaServeStop" },
+
+  keys = {
+    -- Sample keybind for prompt menu. Note that the <c-u> is important for selections to work properly.
+    {
+      "<leader>oo",
+      ":<c-u>lua require('ollama').prompt()<cr>",
+      desc = "ollama prompt",
+      mode = { "n", "v" },
+    },
+
+    -- Sample keybind for direct prompting. Note that the <c-u> is important for selections to work properly.
+    {
+      "<leader>oG",
+      ":<c-u>lua require('ollama').prompt('Generate_Code')<cr>",
+      desc = "ollama Generate Code",
+      mode = { "n", "v" },
+    },
+  },
+
+  ---@type Ollama.Config
+  opts = {
+    -- your configuration overrides
+  },
+}