specs: align the ascii graph
specs: align the ascii graph

The three files/directory are at the same level in the bundle directory,
they should be aligned.

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

philips/specs,hqhq/runtime-spec,ChengTiesheng/specs,wking/opencontainer-specs,vishh/specs,runcom/specs,laijs/specs,HardikDR/specs,hqhq/specs,ujuc/specs,opencontainers/runtime-spec,cloudfoundry-incubator/specs,jonboulle/specs,LK4D4/specs,opencontainers/specs,wking/opencontainer-runtime-spec,mheon/specs,talwai/specs,dustymabe/specs,vbatts/specs,navidshaikh/specs,kensipe/specs,marcosnils/specs,zenlinTechnofreak/specs,wangkirin/specs,gao-feng/specs