added dockerfile, workflow and entrypoint

[liviuf-ancas]

Reasoning

• we need a public docker image that contains api-service to use in other projects too.

Proposed Changes

• added dockerfile, docker entrypoint script

How to test

[github-actions]

k6 load testing comparison.
Base Commit Hash: 595359b
Target Commit Hash: ca01ed8

Metric	Base				Target				Diff
	Avg	Max	90	95	Avg	Max	90	95	Avg	Max	90	95
Blocks	63.11	1254.01	65.30	78.39	64.91	1257.41	74.81	90.30	+2.86% 🔴	+0.27% 🔴	+14.56% 🔴	+15.20% 🔴
Nodes	57.13	819.95	64.65	74.22	58.61	1374.18	71.48	81.44	+2.59% 🔴	+67.59% 🔴	+10.57% 🔴	+9.72% 🔴
Mex	55.93	342.75	64.51	75.16	56.55	193.79	71.11	81.33	+1.11% 🔴	-43.46% ✅	+10.23% 🔴	+8.20% 🔴
Transactions	89.59	2662.08	71.23	81.65	93.23	2972.15	79.98	92.85	+4.06% 🔴	+11.65% 🔴	+12.28% 🔴	+13.71% 🔴
Accounts	56.96	658.34	64.60	74.20	58.06	919.82	70.65	82.09	+1.94% 🔴	+39.72% 🔴	+9.36% 🔴	+10.64% 🔴
Tokens	56.80	702.88	64.57	75.17	57.39	600.15	70.83	81.82	+1.04% 🔴	-14.62% ✅	+9.69% 🔴	+8.84% 🔴
Pool	56.58	585.74	64.52	74.69	57.29	618.27	70.81	81.58	+1.25% 🔴	+5.55% 🔴	+9.75% 🔴	+9.22% 🔴
Test Run Duration	60005.58				60004.89

Legend: Avg - Average Response Time, Max - Maximum Response Time, 90 - 90th Percentile, 95 - 95th Percentile
All times are in milliseconds.