feat(cmd/blob): add fee and gasLimit flags

[vgonkivs]

Overview

Added fee and gasLimit flags to submit the blob

Tested on arabica-10:

celestia rpc blob submit 0x42690c204d39600fddd3 'gm' --fee 10000
{
  "result": {
    "height": 62559,
    "commitment": "IXg+08HV5RsPF3Lle8PH+B2TUGsGUsBiseflxh6wB5E="
  }
}

celestia rpc blob submit 0x42690c204d39600fddd3 'gm' --fee 10000 --gas.limit 100000
{
  "result": {
    "height": 62561,
    "commitment": "IXg+08HV5RsPF3Lle8PH+B2TUGsGUsBiseflxh6wB5E="
  }
}

celestia rpc blob submit 0x42690c204d39600fddd3 'gm' --gas.limit 100000
{
  "result": {
    "height": 62562,
    "commitment": "IXg+08HV5RsPF3Lle8PH+B2TUGsGUsBiseflxh6wB5E="
  }
}

Checklist

• New and updated code has appropriate documentation
• New and updated code has new and/or updated testing
• Required CI checks are passing
• Visual proof for any user facing features like CLI or documentation updates
• Linked issues closed with keywords

cc @jcstein

[renaynay]

We need to coordinate around flag structure -

all of our flags are separated by . instead of -

we should make it consistent. Just noting.

[codecov-commenter]

Codecov Report

Merging #2669 (fc163ba) into main (9957618) will increase coverage by 0.17%.
Report is 4 commits behind head on main.
The diff coverage is 73.68%.

@@            Coverage Diff             @@
##             main    #2669      +/-   ##
==========================================
+ Coverage   51.28%   51.46%   +0.17%     
==========================================
  Files         159      159              
  Lines       10677    10695      +18     
==========================================
+ Hits         5476     5504      +28     
+ Misses       4722     4716       -6     
+ Partials      479      475       -4     

Files Changed	Coverage Δ
cmd/celestia/blob.go	17.15% <73.68%> (+7.22%)	⬆️

... and 10 files with indirect coverage changes

📢 Have feedback on the report? Share it here.

[jcstein]

thank you @vgonkivs for writing out the examples here 🙌