docs: update asset paths and add a privacy policy (#187)

* docs: add Google Analytics tracking with gtag plugin

* docs: fix gtag plugin script source path in index.html

* docs: fix gtag plugin script source path in index.html

* docs: add Umami analytics script to index.html

* docs: add privacy policy page and footer to index.html

* docs: add Material Icons font and styles to styles.css

* docs: update asset paths

* fix: update email contact in privacy policy

* docs: update privacy policy with detailed data practices and rights under GDPR

Author: devopvoid

docs/assets/styles.css renamed to docs/assets/css/styles.css

@@ -1,10 +1,60 @@
 :root {
     --theme-color: #0284c7;
     --theme-secondary-color: #14b8a6;
-
     --theme-hover-color: #0ea5e9;
 }
 
+@font-face {
+    font-family: 'Material Icons';
+    font-style: normal;
+    font-weight: 400;
+    src: url(/assets/fonts/material-icons.woff2) format('woff2');
+}
+@font-face {
+    font-family: 'Roboto Mono';
+    font-style: normal;
+    font-weight: 400;
+    src: url(/assets/fonts/roboto-mono-400.woff2) format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+@font-face {
+    font-family: 'Source Sans Pro';
+    font-style: normal;
+    font-weight: 300;
+    src: url(/assets/fonts/source-sans-pro-300.woff2) format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+@font-face {
+    font-family: 'Source Sans Pro';
+    font-style: normal;
+    font-weight: 400;
+    src: url(/assets/fonts/source-sans-pro-400.woff2) format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+@font-face {
+    font-family: 'Source Sans Pro';
+    font-style: normal;
+    font-weight: 600;
+    src: url(/assets/fonts/source-sans-pro-600.woff2) format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+
+.material-icons {
+    font-family: 'Material Icons';
+    font-weight: normal;
+    font-style: normal;
+    font-size: 24px;
+    line-height: 1;
+    letter-spacing: normal;
+    text-transform: none;
+    display: inline-block;
+    white-space: nowrap;
+    word-wrap: normal;
+    direction: ltr;
+    -moz-font-feature-settings: 'liga';
+    -moz-osx-font-smoothing: grayscale;
+}
+
 .cover img {
     width: 300px;
 }
@@ -79,6 +129,11 @@
     margin: 0;
 }
 
+footer {
+    display: flex;
+    justify-content: center;
+}
+
 /* Media queries for responsive design */
 @media screen and (max-width: 768px) {
     .cover img {