Add bilingual homepage and self-hosted fonts

site/decodal-site/package-lock.json

@@ -11,6 +11,8 @@
         "@astrojs/check": "^0.9.4",
         "@codemirror/language": "^6.12.4",
         "@codemirror/view": "^6.43.6",
+        "@fontsource/ibm-plex-mono": "^5.3.0",
+        "@fontsource/ibm-plex-sans-jp": "^5.3.0",
         "@lezer/highlight": "^1.2.3",
         "@lezer/lr": "^1.4.10",
         "astro": "^4.16.18",
@@ -1178,6 +1180,24 @@
         "node": ">=12"
       }
     },
+    "node_modules/@fontsource/ibm-plex-mono": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@fontsource/ibm-plex-mono/-/ibm-plex-mono-5.3.0.tgz",
+      "integrity": "sha512-eTgnZjZEGk1QtD3ZstF+Vclo2HLAni8YMy34/DxllwZvyz1lR/1RF/xTiAquOBO7MvqBx8D2Ig2WCPMVfdZu7Q==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
+    "node_modules/@fontsource/ibm-plex-sans-jp": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@fontsource/ibm-plex-sans-jp/-/ibm-plex-sans-jp-5.3.0.tgz",
+      "integrity": "sha512-Eas8EEVkh0UbITQMskrCF5Ha1L24GagNsvjMfrKwhv3KNPFRjbZAt0fLO4lSgfx4U4rHWpX5JeMDJNXF+hcguQ==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
     "node_modules/@img/colour": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.1.0.tgz",