feat: add kubernetes, terraform, docker, networking aliases; update nvim config

Add comprehensive aliases for k8s, terraform, AWS, Docker and networking
in both bash and zsh. Update avante.nvim config (max_tokens=32000,
behaviour settings). Update README to reflect new packages.

nvim/lua/plugins/init.lua

@@ -193,10 +193,14 @@ return {
           api_key_name = "DEEPSEEK_API_KEY",
           endpoint = "https://api.deepseek.com/v1",
           model = "deepseek-v4-pro",
-          extra_request_body = { temperature = 0, max_tokens = 8192 },
+          extra_request_body = { temperature = 0, max_tokens = 32000 },
         },
       },
       input = { provider = "dressing" },
+      behaviour = {
+        auto_approve_tool_permissions = false,
+        confirmation_ui_style = "popup",
+      },
     },
     config = function(_, opts)
       require("avante").setup(opts)