conda-config: add page (tldr-pages#18694)

* conda-config: add page

* conda-config: remove trailing whitespaces

* conda-config: follow style guide

* conda-config: split flags and make a parameter more clear

* conda-config: added backtick

* conda-config: more changes

* conda-config: a better first entry

Author: defnvary

pages/common/conda-config.md

@@ -0,0 +1,32 @@
+# conda config
+
+> Modify configuration values in `.condarc`.
+> More information: <https://docs.conda.io/projects/conda/en/latest/commands/config.html>.
+
+- Show all configuration values:
+
+`conda config --show`
+
+- Show current value of a configuration option:
+
+`conda config --show {{config_option}}`
+
+- Set a configuration value:
+
+`conda config --set {{key}} {{value}}`
+
+- Remove a configuration value:
+
+`conda config --remove {{key}} {{value}}`
+
+- Append a value to an existing configuration key list:
+
+`conda config --append {{key}} {{value}}`
+
+- Prepend a value to an existing configuration key list:
+
+`conda config --prepend {{key}} {{value}}`
+
+- Describe given configuration option:
+
+`conda config --describe {{config_option}}`