Add simple POST-command and changed upload path (remote)

[deadshot8086]

Your checklist for this pull request

• I've read the guidelines for contributing to this repository
• I made sure to follow the project's coding style
• I've documented or updated the documentation of every function and struct this PR changes. If not so I've explained why.
• I've added tests that prove my fix is effective or that my feature works (if possible)
• I've updated the rizin book with the relevant information (if needed)

Detailed description

Closes #1897

[XVilka]

Run export PATH=${HOME}/Library/Python/3.9/bin:${HOME}/Library/Python/3.10/bin:${HOME}/.local/bin:${PATH}
pylint: Command line or configuration file:1: UserWarning: 'BaseException' is not a proper value for the 'overgeneral-exceptions' option. Use fully qualified name (maybe 'builtins.BaseException' ?) instead. This will cease to be checked at runtime when the configuration upgrader is released.
pylint: Command line or configuration file:1: UserWarning: 'Exception' is not a proper value for the 'overgeneral-exceptions' option. Use fully qualified name (maybe 'builtins.Exception' ?) instead. This will cease to be checked at runtime when the configuration upgrader is released.
************* Module fuzz_rz_asm
test/fuzz/scripts/fuzz_rz_asm.py:137:11: E0601: Using variable 'sys' before assignment (used-before-assignment)

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Your code has been rated at 9.94/10

Error: Process completed with exit code 123.

[wargio]

LGTM just some comments that should be fixed. also if http.index is not used anywhere else, you can also do a cleanup and remove it from cconfig.c

[deadshot8086]

LGTM just some comments that should be fixed. also if http.index is not used anywhere else, you can also do a cleanup and remove it from cconfig.c

ya it is used in remote get command in browser to display index.html when no cmd is specified, so can't remove it