Nvim restart (#9)

* chore(nvim): remove astronvim and configs

* feat(nvim): new, custom nvim configuration

config/nvim/lua/lsp/json.lua

@@ -0,0 +1,9 @@
+require("lspconfig").jsonls.setup({
+  settings = {
+    json = {
+      schemas = require("schemastore").json.schemas(),
+      validate = { enable = true },
+    },
+  },
+  capabilities = CAPABILITIES,
+})