Release v1.0.3

Updated dependencies:

• go toolchain
• gorilla/mux
• microcosm-cc/bluemonday
• sirupsen/logrus
• makeworld-the-better-one/go-gemini

Release v1.0.2

• Add dark theme support
• Relax the robots.txt checker (ignore wildcards)

Release v1.0.1

• Add config GEM_APPDESC to customize the application description string.
• Retain the software name 'gemportal' in the page footer (no longer overridable by GEM_APPNAME).
• Add SPDX license identifieres to all files
• Remove 'gemportal' string from the HTTP 500 error handler message.

Release v1.0.0

• Always show the vertical scrollbar
• Improve Javascript files (linting)

Release v0.2.1

• Make the page title a "home" link
• Remove vulnerable library version from go.sum (go mod tidy)

Release v0.2.0

• Support Gemini input
• Improve accessibility

Release v0.1.3

• Properly support mailto: links
• Make git hash and build time optional
  for building the software.

Release v0.1.2

• Remove the "Displaying ..." text in the Gemini box
• Show a warning when checking the "Disable TLS checks" checkbox
• Stay in the "Disable TLS checks" mode when visiting URLS in the Gemini content

Docker:

• Remove ca-certificates

Release v0.1.1

• Add env GEM_APPNAME to customize the app name
• Hide the build meta information on the index.html
• Implement a panic middleware
• Improve environment variable documentation (see .env.example)
• Update makeworld-the-better-one/go-gemini dependency

Release v0.1.0

• Environment variables:
  • Rename env LOGLEVEL to LOG_LEVEL
  • Prefix all env. variables with GEM_
• Enforce rel="nofollow noreferrer" on hyperlinks
• Switch to makeworld-the-better-one/go-gemini for
  the gemini client