Feat/web （Patchset 4） (#460)

support basic functions in frontend
1. create/del network
2. inspect network running status

easytier-web/frontend/src/style.css

@@ -0,0 +1,33 @@
+@layer tailwind-base, primevue, tailwind-utilities;
+
+@layer tailwind-base {
+  @tailwind base;
+}
+
+@layer tailwind-utilities {
+  @tailwind components;
+  @tailwind utilities;
+}
+
+.p-password {
+    width: 100%;
+}
+
+.p-password>input {
+    width: 100%;
+}
+
+:root {
+  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
+  font-size: 0.9rem;
+  line-height: 24px;
+  font-weight: 400;
+
+  color: #0f0f0f;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-text-size-adjust: 100%;
+}