Modernize packaging-related things in Red (#5924)

requirements/base.txt

@@ -0,0 +1,88 @@
+aiohttp==3.7.4.post0
+    # via
+    #   -r base.in
+    #   aiohttp-json-rpc
+    #   discord-py
+    #   red-lavalink
+aiohttp-json-rpc==0.13.3
+    # via -r base.in
+aiosqlite==0.17.0
+    # via -r base.in
+appdirs==1.4.4
+    # via -r base.in
+apsw-wheels==3.36.0.post1
+    # via -r base.in
+async-timeout==3.0.1
+    # via aiohttp
+attrs==21.2.0
+    # via aiohttp
+babel==2.9.1
+    # via -r base.in
+cffi==1.14.6
+    # via pynacl
+chardet==4.0.0
+    # via aiohttp
+click==8.0.1
+    # via -r base.in
+colorama==0.4.4
+    # via
+    #   -r base.in
+    #   click
+commonmark==0.9.1
+    # via rich
+contextlib2==21.6.0
+    # via schema
+discord-py==2.1.0
+    # via
+    #   -r base.in
+    #   red-lavalink
+fuzzywuzzy==0.18.0
+    # via -r base.in
+idna==3.2
+    # via yarl
+markdown==3.3.4
+    # via -r base.in
+multidict==5.1.0
+    # via
+    #   aiohttp
+    #   yarl
+packaging==22.0
+    # via -r base.in
+psutil==5.8.0
+    # via -r base.in
+pycparser==2.20
+    # via cffi
+pygments==2.10.0
+    # via rich
+pynacl==1.4.0
+    # via -r base.in
+python-dateutil==2.8.2
+    # via -r base.in
+python-levenshtein-wheels==0.13.2
+    # via -r base.in
+pytz==2021.1
+    # via babel
+pyyaml==5.4.1
+    # via -r base.in
+red-commons==1.0.0
+    # via
+    #   -r base.in
+    #   red-lavalink
+red-lavalink==0.11.0rc1
+    # via -r base.in
+rich==10.9.0
+    # via -r base.in
+schema==0.7.4
+    # via -r base.in
+six==1.16.0
+    # via python-dateutil
+typing-extensions==3.10.0.2
+    # via rich
+yarl==1.6.3
+    # via
+    #   -r base.in
+    #   aiohttp
+distro==1.6.0; sys_platform == "linux"
+    # via -r base.in
+uvloop==0.16.0; sys_platform != "win32" and platform_python_implementation == "CPython"
+    # via -r base.in