add niri and update nvim config

.config/nvim/lua/plugins/obsidian.nvim.lua

@@ -0,0 +1,32 @@
+-- Plugin: obsidian-nvim/obsidian.nvim
+-- Installed via store.nvim
+
+return {
+	"obsidian-nvim/obsidian.nvim",
+	version = "*", -- recommended, use latest release instead of latest commit
+	--ft = "markdown",
+	-- Replace the above line with this if you only want to load obsidian.nvim for markdown files in your vault:
+	-- event = {
+	--   -- If you want to use the home shortcut '~' here you need to call 'vim.fn.expand'.
+	--   -- E.g. "BufReadPre " .. vim.fn.expand "~" .. "/my-vault/*.md"
+	--   -- refer to `:h file-pattern` for more examples
+	--   "BufReadPre path/to/my-vault/*.md",
+	--   "BufNewFile path/to/my-vault/*.md",
+	-- },
+	event = { "BufReadPre " .. vim.fn.expand("~") .. "/Documents/Obsidian notes/**.md" },
+	opts = {
+		workspaces = {
+			{
+				name = "personal",
+				path = "~/Documents/Obsidian notes/Felix/",
+			},
+			-- {
+			-- 	name = "work",
+			-- 	path = "~/vaults/work",
+			-- },
+		},
+		legacy_commands = false,
+		conceallevel = 2,
+		-- see below for full list of options 👇
+	},
+}