web: include UI fonts to the static

Dockerfile

@@ -3,7 +3,7 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-FROM golang:1.12-alpine AS build
+FROM golang:1.13-alpine AS build
 
 ARG VERSION
 ARG GOPROXY

internal/web/templates/static/style.css

@@ -1,4 +1,40 @@
-@import url(https://fonts.googleapis.com/css?family=Roboto:300);
+/* cyrillic-ext */
+@font-face {
+    font-family: 'Roboto';
+    font-style: normal;
+    font-weight: 400;
+    src: local('Roboto Light'), local('Roboto-Light'), url('./fonts/Roboto-Light.ttf') format('ttf'),
+        url('./fonts/Roboto-Light.woff') format('woff'), url('./fonts/Roboto-Light.woff2') format('woff2');
+    unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+}
+/* cyrillic */
+@font-face {
+    font-family: 'Roboto';
+    font-style: normal;
+    font-weight: 400;
+    src: local('Roboto Light'), local('Roboto-Light'), url('./fonts/Roboto-Light.ttf') format('ttf'),
+        url('./fonts/Roboto-Light.woff') format('woff'), url('./fonts/Roboto-Light.woff2') format('woff2');
+    unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+/* latin-ext */
+@font-face {
+    font-family: 'Roboto';
+    font-style: normal;
+    font-weight: 400;
+    src: local('Roboto Light'), local('Roboto-Light'), url('./fonts/Roboto-Light.ttf') format('ttf'),
+        url('./fonts/Roboto-Light.woff') format('woff'), url('./fonts/Roboto-Light.woff2') format('woff2');
+    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+    font-family: 'Roboto';
+    font-style: normal;
+    font-weight: 400;
+    src: local('Roboto Light'), local('Roboto-Light'), url('./fonts/Roboto-Light.ttf') format('ttf'),
+        url('./fonts/Roboto-Light.woff') format('woff'), url('./fonts/Roboto-Light.woff2') format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC,
+        U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
 
 html {
   box-sizing: border-box;
@@ -88,7 +124,7 @@ html {
 }
 
 .form button:active {
-  background: #2384a3; 
+  background: #2384a3;
 }
 
 .form .message {