[Pictograms]: add new pictograms to the pictogram kit

[laurenmrice]

Acceptance criteria

Add new pictograms to the Pictogram kit.

Cities category

• [x] bucharest--national-theatre
• [x] bucharest--romanian-athenaeum
• [x] ibm--uk-labs-hursley
• [x] kochi-houseboat
• [x] osaka--tsutenkaku-tower
• [x] romania--the-gate-of-the-kiss
• [x] shanghai--skyline
• [x] walldorf-ibm-innovation-studios
• [x] zurich

Cloud category

• [x] cloud

---

Ref: #16176