feat: add terramate create <path>

[katcipis]

Introduces the terramate create command on the CLI. Example:

#!/bin/bash

set -o errexit
set -o nounset
set -o pipefail

workdir=$(mktemp -d)
cd "${workdir}" || exit

cat > terramate.tm.hcl <<- EOM
terramate {
  config {
  }
}
EOM

terramate create stack 
cat stack/stack.tm.hcl
echo

mkdir common
touch common/file1.tm.hcl
touch common/file2.tm.hcl

mkdir stacks
cd stacks

terramate create stack-1 \
    --name "stack name" \
    --description "stack description" \
    --id "stack-id" \
    --import "/common/file1.tm.hcl" \
    --import "/common/file2.tm.hcl"

cat stack-1/stack.tm.hcl
echo

cd ..

echo "final structure"
tree

[codecov]

Codecov Report

Merging #449 (9d0ed50) into main (b9fa8be) will decrease coverage by 0.20%.
The diff coverage is 42.18%.

@@            Coverage Diff             @@
##             main     #449      +/-   ##
==========================================
- Coverage   70.77%   70.56%   -0.21%     
==========================================
  Files          46       47       +1     
  Lines        8150     8208      +58     
==========================================
+ Hits         5768     5792      +24     
- Misses       2113     2145      +32     
- Partials      269      271       +2     

Flag	Coverage Δ
tests	70.56% <42.18%> (-0.21%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cmd/terramate/cli/cli.go	5.25% <0.00%> (-0.15%)	⬇️
stack/create.go	73.03% <50.00%> (-1.67%)	⬇️
test/stack.go	75.00% <75.00%> (ø)

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[i4ki]

🚀