Add 4.3 release page (#882)

- Web development by Adam Scott with help from Emilio Coppola
- Design template by Luis Carli
- Visuals by Adam Scott with speial thanks to GDQuest, Kenney, and FR3NKD
- Texts by Nathalie Galla & Adam Scott

Co-authored-by: Nathalie Galla <murderveggie@gmail.com>
Co-authored-by: luiscarli <git@luiscarli.com>
Co-authored-by: Emi <2206700+coppolaemilio@users.noreply.github.com>
Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>

assets/js/modules/detect-browser.mjs

@@ -0,0 +1,85 @@
+// https://github.com/julienetie/detect-browser
+
+const navigatorErrorMessage = 'Could not find `userAgent` or `userAgentData` window.navigator properties to set `os`, `browser` and `version`'
+const removeExcessMozillaAndVersion = /^mozilla\/\d\.\d\W/
+const browserPattern = /(\w+)\/(\d+\.\d+(?:\.\d+)?(?:\.\d+)?)/g
+const engineAndVersionPattern = /^(ver|cri|gec)/
+const brandList = ['chrome', 'opera', 'safari', 'edge', 'firefox']
+const unknown = 'Unknown'
+const empty = ''
+const { isArray } = Array
+let userAgentData = window.navigator.userAgentData
+let userAgent = window.navigator.userAgent
+
+const mobiles = {
+  iphone: /iphone/,
+  ipad: /ipad|macintosh/,
+  android: /android/
+}
+
+const desktops = {
+  windows: /win/,
+  mac: /macintosh/,
+  linux: /linux/
+}
+
+const detectPlatform = (customUserAgent, customUserAgentData) => {
+  // Use a provided UA string instead of the browser's UA
+  userAgent = typeof customUserAgent === 'string' ? customUserAgent : userAgent
+
+  // Use a provided UA data string instead of the browser's UA data
+  userAgentData = typeof customUserAgentData === 'string' ? customUserAgentData : userAgentData
+
+  if (userAgent) {
+    const ua = userAgent.toLowerCase().replace(removeExcessMozillaAndVersion, empty)
+
+    // Determine the operating system.
+    const mobileOS = Object.keys(mobiles).find(os => mobiles[os].test(ua) && window.navigator.maxTouchPoints >= 1)
+    const desktopOS = Object.keys(desktops).find(os => desktops[os].test(ua))
+    const os = mobileOS || desktopOS
+
+    // Extract browser and version information.
+    const browserTest = ua.match(browserPattern)
+    const versionRegex = /version\/(\d+(\.\d+)*)/
+    const safariVersion = ua.match(versionRegex)
+    const saVesion = isArray(safariVersion) ? safariVersion[1] : null
+    const browserOffset = browserTest && (browserTest.length > 2 && !(engineAndVersionPattern.test(browserTest[1])) ? 1 : 0)
+    const browserResult = browserTest && browserTest[browserTest.length - 1 - (browserOffset || 0)].split('/')
+    const browser = browserResult && browserResult[0]
+    const version = saVesion ? saVesion : browserResult && browserResult[1]
+
+    return { os, browser, version }
+  } else if (userAgentData) {
+    const os = userAgentData.platform.toLowerCase()
+    let platformData
+
+    // Extract platform brand and version information.
+    for (const agentBrand of userAgentData.brands) {
+      const agentBrandEntry = agentBrand.brand.toLowerCase()
+      const foundBrand = brandList.find(brand => { //eslint-disable-line
+        if (agentBrandEntry.includes(brand)) {
+          return brand
+        }
+      })
+      if (foundBrand) {
+        platformData = { browser: foundBrand, version: agentBrand.version }
+        break
+      }
+    }
+    const brandVersionData = platformData || { browser: unknown, version: unknown }
+    return { os, ...brandVersionData }
+  } else {
+    // Log error message if there's a problem.
+    console
+      .error(navigatorErrorMessage)
+
+    return {
+      // Ignore the VSCode strikethough. Disable linting line if necessary. This is just a fallback
+      os: navigator.platform || unknown,
+      browser: unknown,
+      version: unknown
+    }
+  }
+}
+
+export default detectPlatform